#include <iostream>
using namespace std;
int main()
{
    double fuel_gauge_reading;
    cout << "Enter fuel gauge reading:";
    fuel_gauge_reading = 0.1;
    if (fuel_gauge_reading < 0.75)
    {
        if (fuel_gauge_reading < 0.25)
            cout << "fuel too low.Caution\n";
    }
    else
    {
        cout << "Do not stop now";
    }
    return 0;
}